Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Romanèchite Psm Gypsum

Views:
Watches:
QRI935594

Romanèchite Psm Gypsum

Pseudomorph

Description Tabs

Description
Locality: 
San Pedro Corralitos, Casas Grandes Municipality, Chihuahua, Mexico
Class: 
Crystals on Matrix
Size Range: 
Museum (18cm plus)
Size: 
20 × 13.2 × 7.8 cm
Largest Crystal: 
3.00cm
Weight: 
1 095.00gr
Description

Significant pseudomorph featuring pitch black, lustrous and partially botryoidal romanechite coating and replacing a sizeable drusy of monoclinic gypsum crystals. 

This specimen comes from a limited find dated back to the late 60s, and it has resided in my collection for the last 10 years.

Mineral Data
What's on the rock

Romanèchite

Formula: 
(Ba,H2O)2Mn5O10
Strunz: 
4.DK.10
Hardness: 
5.0 - 6.0
Type Locality: 
Manganese deposit, Romanèche-Thorens, La Chapelle-de-Guinchay, Saône-et-Loire, Burgundy, France

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Shipping within 15 days after payment received, unless specified/agreed otherwise.

Combined shipping is possible, please inquire for details.